The industrial metals fell at the Asian early trade, unsettled by concern that a probe into metals storage at China's third-largest port could squeeze financing and cut buying interest in metals.
Nickel dropped by Rs 5 per kg to Rs 1,230 from last Saturday's closing level of Rs 1,235.
Brass sheet cutting and gun metal scrap declined by Rs 3 per kg each to Rs 345 and Rs 411 from Rs 348 and Rs 414.
Copper scrap heavy edged down by Re 1 per kg to Rs 473.